ssp.h
96 lines
| 3.5 KiB
| text/x-c
|
CLexer
r11 | /*------------------------------------------------------------------------------ | |||
-- This file is a part of the libuc, microcontroler library | ||||
-- Copyright (C) 2011, Alexis Jeandet | ||||
-- | ||||
-- This program is free software; you can redistribute it and/or modify | ||||
-- it under the terms of the GNU General Public License as published by | ||||
-- the Free Software Foundation; either version 3 of the License, or | ||||
-- (at your option) any later version. | ||||
-- | ||||
-- This program is distributed in the hope that it will be useful, | ||||
-- but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
-- GNU General Public License for more details. | ||||
-- | ||||
-- You should have received a copy of the GNU General Public License | ||||
-- along with this program; if not, write to the Free Software | ||||
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
------------------------------------------------------------------------------- | ||||
-- Author : Alexis Jeandet | ||||
-- Mail : alexis.jeandet@gmail.com | ||||
-------------------------------------------------------------------------------*/ | ||||
#include "LPC17xx.h" | ||||
#ifndef SSP_H | ||||
#define SSP_H | ||||
#define l4bits ((1<<1)+(1)) //0011 4 bit transfer | ||||
#define l5bits ((1<<2)) //0100 5 bit transfer | ||||
#define l6bits ((1<<2)+(1)) //0101 6 bit transfer | ||||
#define l7bits ((1<<1)+(1<<1)) //0110 7 bit transfer | ||||
#define l8bits ((1<<2)+(1<<1)+(1)) //0111 8 bit transfer | ||||
#define l9bits ((1<<3)) //1000 9 bit transfer | ||||
#define l10bits ((1<<3)+(1)) //1001 10 bit transfer | ||||
#define l11bits ((1<<3)+(1<<1)) //1010 11 bit transfer | ||||
#define l12bits ((1<<3)+(1<<1)+1) //1011 12 bit transfer | ||||
#define l13bits ((1<<3)+(1<<2)) //1100 13 bit transfer | ||||
#define l14bits ((1<<3)+(1<<2)+1) //1101 14 bit transfer | ||||
#define l15bits ((1<<3)+(1<<2)+(1<<1)) //1110 15 bit transfer | ||||
#define l16bits ((1<<3)+(1<<2)+(1<<1)+1) //1111 16 bit transfer | ||||
#define FFSPI 0 | ||||
#define FFTI (1<<4) | ||||
#define FFMICROWIRE (1<<5) | ||||
#define CLKINHLOW 0 | ||||
#define CLKINHHIGH (1<<6) | ||||
#define CKfirstEdge 0 | ||||
#define CKsecondEdge (1<<7) | ||||
#define loopbackOFF 0 | ||||
#define loopbackON 1 | ||||
#define MASTERMODE 0 | ||||
#define SLAVEMODE (1<<2) | ||||
#define SLAVEOUTPUTDISABLEMODE (1<<3) | ||||
#define sspisslave(dev) ((((dev)->SSPCtrlReg1>>2) & 1)==1) | ||||
struct sspRegs | ||||
{ | ||||
unsigned long SSPCtrlReg0; | ||||
unsigned long SSPCtrlReg1; | ||||
unsigned long SSPDataReg; | ||||
unsigned long SSPStatReg; | ||||
unsigned long SSPClkPrescReg; | ||||
unsigned long SSPIntMaskReg; | ||||
unsigned long SSPRawIntStatReg; | ||||
unsigned long SSPMaskedIntStatReg; | ||||
unsigned long SSPIntClearReg; | ||||
unsigned long SSPDMACtrlReg; | ||||
}; | ||||
typedef volatile struct sspRegs sspDev; | ||||
extern sspDev* sspopen(int count); | ||||
extern void sspputc(sspDev* dev,char c); | ||||
extern void sspputnc(sspDev* dev,const char *c,unsigned int n); | ||||
extern void sspputw(sspDev* dev,int c); | ||||
extern void sspputs(sspDev* dev,char *s); | ||||
extern void sspgets(sspDev* dev,char *s); | ||||
extern char sspgetc(sspDev* dev); | ||||
extern void sspgetnc(sspDev* dev,char *c,unsigned int n); | ||||
extern int sspgetw(sspDev* dev); | ||||
extern void enableSSP(sspDev* dev); | ||||
extern void disableSSP(sspDev* dev); | ||||
extern void sspsetup(sspDev* dev,unsigned char bitscount,int sspCtrlRegValue0,int sspCtrlRegValue1, unsigned int dataRate); | ||||
extern void sspsetupTRsize(sspDev* dev,unsigned char value); | ||||
extern unsigned char sspgetpclkfactor(sspDev* dev); | ||||
extern void sspsetpclkfactor(sspDev* dev,unsigned char pclkfactor); | ||||
extern void sspsetdatarate(sspDev* dev,unsigned int dataRate); | ||||
#endif | ||||